package com.wyz.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
public class LoginController {
    @RequestMapping("/user/login")
    public String login(@RequestParam("username")String username,
                        @RequestParam("password") String password,
                        Model model, HttpSession session){
        if (!StringUtils.isEmpty(username) && "a".equals(password)) {
            session.setAttribute("username",username);
            return "redirect:/main.html";
        }
        else {
            model.addAttribute("mes", "用户名或者密码错误");
            return "index";
        }
    }
    //推出功能
    @RequestMapping("/user/logOut")
    public String logout(HttpSession session){
        session.removeAttribute("username");
        return "redirect:/index.html";
    }
}
